Swami Tattwamayananda’s exposition of the TAITTIRIYA UPANISHAD was given at the Lake Tahoe Retreat run by the Vedanta Society of Northern California, San Francisco (founded by Swami Vivekananda in 1900) from July 27, 2019, to August 4, 2019, in a series of 9 lectures. The Taittiriya Upanisad comprise the 7th, 8th, and 9th chapters of the larger Taittiriya Aranyaka that belongs to the Yajur Veda tradition. The Upanishad contains 31 anuvakas (lessons): 12 in the Siksa-valli, 9 in the Ananda-valli, and 10 in the Bhrigu-valli. Sri Shankaracharya’s (788-820 CE) commented on the...